Offline Web Applications The Benefits of Offline FirstDiscover the differences between a standard web app and an offline-first application and get an introduction to new APIs.Introducing the Service WorkerWrite your first Service Workers and get comfortable with the lifecycle of a request when using a service workerIndexedDB and CachingUse the IndexedDB API, along with Service Workers, to write caching solutions that will make your applications more performant.CompanyAbout Us Why Udacity? Blog In the News Jobs at Udacity Become a Mentor Partner with Udacity ResourcesCatalog Career Outcomes Help and FAQ Scholarships Resource Center Udacity SchoolsSchool of Animation and Game Development School of Artificial Intelligence School of Autonomous Systems School of Business Career Resources School of Cloud Computing School of Cybersecurity School of Data Science School of DevOps School of Executive Leadership School of Product Management School of Programming and Development Featured ProgramsBusiness Analytics SQL AWS Cloud Architect Data Analyst Intro to Programming Digital Marketing Self Driving Car Engineer Only at UdacityArtificial Intelligence Deep Learning Digital Marketing Flying Car and Autonomous Flight Engineer Intro to Self-Driving Cars Machine Learning Engineer Robotics Software Engineer